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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>

        console.log(3 == 3.);
        let num = 3;
        console.log(num.toString()); // 3

        // console.log(3.toString()); // (3.)toString();
        console.log(3 .toString()); // (3 ).toString();
        console.log(3..toString()) // (3.).toString()
    </script>
</body>

</html>